Acoustic insulation board



FIG. 1 is a perspective view of an acoustic insulation board in accordance with the design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof; and

FIG. 4 is a front elevation view thereof, with the back elevation view being identical to the front elevation view; and,

FIG. 5 is a right-side elevation view thereof, with the left-side elevation view being identical to the right-side elevation view. 

CLAIM The ornamental design for an acoustic insulation board, as shown and described. 